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Princess|Lab Grown|IGI

3.06ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG700535251

Shape and cutting style on the report: Princess cut

Certificate IGI LG700535251

Diamond specifications and retailer prices

From £364 GBP
$488 USD
As of October 29, 2026
Save £1,569 GBP (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,933 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.06ct lab-grown princess diamond

This 3.06ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700535251 or 700535251. Listed at 8 retailers as of October 29, 2026, with prices from £364 to £1,933, a £1,569 spread on the same certified stone. Brilliant Earth lists it at £1,933. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700535251
Dimensions8.00 × 7.88 × 5.55 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm7.88 mm3.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700535251
Side View
Table 68.0%Crown 45.2°Girdle: MediumPavilion 37.8°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,933 GBP|Low: £364 GBP|High: £1,993 GBP|Avg: £1,022 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5£364 GBP
Retailer 4£541 GBP
Retailer 8£545 GBP
Retailer 7£604 GBP
Retailer 2£679 GBP
Retailer 3£1,403 GBP
Retailer 6£1,562 GBP
Brilliant Earth£1,933 GBP

6 data points across 8 retailers

8 retailers£364 GBP to £1,933 GBP

A
Cheapest Retailer
-
£364 GBP
$488 USD
Final sale: no returns
A
Retailer 2
-
£541 GBP
$725 USD
View
A
Retailer 3
-
£545 GBP
HK$5,700 HKD
View
A
Retailer 4
-
£604 GBP
$809 USD
View
A
Retailer 5
-
£611 GBP
$819 USD
View
Retailer 6
-
£1,403 GBP
$1,880 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
£1,562 GBP
SGD 2,829 SGD
View
Most Expensive
B
Brilliant Earth
14886975Y · Oct 29
£1,933 GBP
$2,590 USD
View
7 more retailers have this diamond
Prices start from £364 GBPSave up to £1,569 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.06ct Princess
£364 GBP